Math
A perfect number is defined as one for which the sum of all the unique factors less the number itself is equal to the number. For instance, 6 is a perfect number, because the factors of 6 (apart from 6 itself) are 1, 2 and 3, and . Which of the following is also a perfect number?
A. 12
B. 20
C. 28
D. 48
E. 60
Correct Answer - C - (click and drag your mouse to see the answer)
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Verbal
Having One of the highest melting points of all the chemical elements, tungsten is used in temperature - dependent products such as light bulb filaments so adaptable that it is also used to make wedding bands.
A. filaments so adaptable
B. filaments being so adaptable
C. filaments, yet being so adaptable
D. filaments, and so adaptable
E. filaments yet is so adaptable
Correct Answer - E - (click and drag your mouse to see the answer)
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